Calculate data weights based on st. dev. within each spw.

Statwt Summary Plot

VLASS3.2.sb45661340.eb45880388.60435.82083380787_split_split.ms

Plot of antenna-based weight vs. antenna or spectral window (before re-weight)

Plot of antenna-based weight vs. antenna or spectral window (after re-weight)

Statwt Summary

Summary of before/after-statwt antenna-based weights (Wi) for each antenna. The antenna-based weights are derived from the visibility WEIGHT column: WijWiWj.
Antenna Selection statwt before statwt after
Median 1st/3rd Quartile Mean ± S.Dev. Median 1st/3rd Quartile Mean ± S.Dev.
ea01 1342 1342/1342 1342 ± 0 6.139 5.635/6.617 6.158 ± 0.6107
ea02 1342 1342/1342 1342 ± 0 6.356 5.715/6.571 6.283 ± 0.6135
ea03 1342 1342/1342 1342 ± 0 6.152 5.441/6.761 6.197 ± 0.7386
ea04 1342 1342/1342 1342 ± 0 5.568 5.022/6.011 5.611 ± 0.5625
ea05 1342 1342/1342 1342 ± 0.0000169 5.699 5.347/6.656 5.965 ± 0.6484
ea06 1342 1342/1342 1342 ± 0 5.994 5.091/6.159 5.759 ± 0.6335
ea07 1342 1342/1342 1342 ± 0 6.057 5.269/6.342 5.922 ± 0.6588
ea08 1342 1342/1342 1342 ± 0 6.549 5.677/6.865 6.432 ± 0.6565
ea09 1342 1342/1342 1342 ± 0.00001436 5.75 5.256/6.499 5.858 ± 0.6417
ea10 1342 1342/1342 1342 ± 0 5.598 5.124/6.05 5.596 ± 0.5338
ea11 1342 1342/1342 1342 ± 0.00001877 5.502 5.178/6.293 5.696 ± 0.6611
ea12 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea13 1342 1342/1342 1342 ± 0 5.566 5.427/6.125 5.773 ± 0.4636
ea14 1342 1342/1342 1342 ± 0 6.032 5.541/6.45 6.087 ± 0.5285
ea15 1342 1342/1342 1342 ± 0.00001406 6.042 5.614/6.637 6.196 ± 0.6752
ea16 1342 1342/1342 1342 ± 0 6.231 5.786/6.783 6.347 ± 0.7075
ea17 1342 1342/1342 1342 ± 0 6.33 5.706/6.921 6.302 ± 0.6366
ea18 1342 1342/1342 1342 ± 0 6.337 5.791/6.877 6.281 ± 0.5884
ea19 1342 1342/1342 1342 ± 0 6.103 5.464/6.627 6.055 ± 0.5936
ea20 1342 1342/1342 1342 ± 0.0000107 5.795 5.532/6.598 6.002 ± 0.6071
ea21 1342 1342/1342 1342 ± 0 5.56 5.19/6.026 5.646 ± 0.5137
ea22 1342 1342/1342 1342 ± 0 6.373 5.655/6.79 6.243 ± 0.6392
ea23 1342 1342/1342 1342 ± 0 6.287 5.529/6.462 6.188 ± 0.659
ea24 1342 1342/1342 1342 ± 0 5.874 5.377/6.585 5.899 ± 0.6315
ea25 1342 1342/1342 1342 ± 0 6.451 5.681/6.963 6.469 ± 0.7818
ea27 1342 1342/1342 1342 ± 0 6.083 5.381/6.588 5.99 ± 0.6559
ea28 1342 1342/1342 1342 ± 0.000001126 5.99 5.704/6.873 6.271 ± 0.6206
Summary of before/after-statwt antenna-based weights (Wi) for each spectral window. The antenna-based weights are derived from the visibility WEIGHT column: WijWiWj.
Spw Selection statwt before statwt after
Median 1st/3rd Quartile Mean ± S.Dev. Median 1st/3rd Quartile Mean ± S.Dev.
2 1342 1342/1342 1342 ± 0.00002348 5.495 5.362/5.674 5.502 ± 0.2504
4 1342 1342/1342 1342 ± 0.00002469 5.314 5.138/5.602 5.357 ± 0.3466
5 1342 1342/1342 1342 ± 0.00002348 5.448 5.198/5.654 5.432 ± 0.2965
6 1342 1342/1342 1342 ± 0.00002348 5.434 5.216/5.592 5.421 ± 0.2783
7 1342 1342/1342 1342 ± 0.00002348 5.493 5.342/5.664 5.469 ± 0.2325
8 1342 1342/1342 1342 ± 0.00002348 5.462 5.221/5.577 5.406 ± 0.2591
9 1342 1342/1342 1342 ± 0.00002348 5.734 5.588/5.934 5.726 ± 0.2645
10 1342 1342/1342 1342 ± 0.00002348 6.191 6.083/6.287 6.162 ± 0.2331
11 1342 1342/1342 1342 ± 0.00002348 6.434 6.242/6.559 6.389 ± 0.2479
12 1342 1342/1342 1342 ± 0.00002348 6.603 6.284/6.772 6.528 ± 0.2892
13 1342 1342/1342 1342 ± 0.00002348 6.987 6.791/7.252 6.965 ± 0.3252
14 1342 1342/1342 1342 ± 0.00002348 7.137 6.897/7.393 7.163 ± 0.3424
15 1342 1342/1342 1342 ± 0.00002348 6.84 6.595/7.161 6.845 ± 0.3664
16 1342 1342/1342 1342 ± 0.00003011 6.152 5.795/6.512 6.15 ± 0.4235
17 1342 1342/1342 1342 ± 0.00002817 6.154 5.845/6.377 6.119 ± 0.3765
vis
VLASS3.2.sb45661340.eb45880388.60435.82083380787_split_split.ms
output_dir
 
overwrite_modelcol
False
datacolumn
residual_data
statwtmode
VLASS-SE
Start time
2025-07-25 06:51:00.830
End
2025-07-25 08:06:59.723
Duration
1:15:58.893
Note, WebLog generation is not included in the time.

CASA logs for stage 8